truephy.c

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
    1 /*-
    2  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
    3  * 
    4  * This code is derived from software contributed to The DragonFly Project
    5  * by Sepherosa Ziehau <sepherosa@gmail.com>
    6  * 
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in
   15  *    the documentation and/or other materials provided with the
   16  *    distribution.
   17  * 3. Neither the name of The DragonFly Project nor the names of its
   18  *    contributors may be used to endorse or promote products derived
   19  *    from this software without specific, prior written permission.
   20  * 
   21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
   25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
   27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  * 
   34  * $DragonFly: src/sys/dev/netif/mii_layer/truephy.c,v 1.3 2008/02/10 07:29:27 sephe Exp $
   35  * $FreeBSD: releng/8.2/sys/dev/mii/truephy.c 214909 2010-11-07 11:12:29Z marius $
   36  */
   37 
   38 #include <sys/param.h>
   39 #include <sys/systm.h>
   40 #include <sys/kernel.h>
   41 #include <sys/socket.h>
   42 #include <sys/errno.h>
   43 #include <sys/module.h>
   44 #include <sys/bus.h>
   45 
   46 #include <net/if.h>
   47 #include <net/if_media.h>
   48 #include <net/if_arp.h>
   49 #include <net/ethernet.h>
   50 #include <net/if_vlan_var.h>
   51 
   52 #include <dev/mii/mii.h>
   53 #include <dev/mii/miivar.h>
   54 #include "miidevs.h"
   55 
   56 #include <dev/mii/truephyreg.h>
   57 
   58 #include "miibus_if.h"
   59 
   60 #define TRUEPHY_FRAMELEN(mtu)   \
   61     (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + (mtu) + ETHER_CRC_LEN)
   62 
   63 static int      truephy_service(struct mii_softc *, struct mii_data *, int);
   64 static int      truephy_attach(device_t);
   65 static int      truephy_probe(device_t);
   66 static void     truephy_reset(struct mii_softc *);
   67 static void     truephy_status(struct mii_softc *);
   68 
   69 static device_method_t truephy_methods[] = {
   70         /* device interface */
   71         DEVMETHOD(device_probe,         truephy_probe),
   72         DEVMETHOD(device_attach,        truephy_attach),
   73         DEVMETHOD(device_detach,        mii_phy_detach),
   74         DEVMETHOD(device_shutdown,      bus_generic_shutdown),
   75         { 0, 0 }
   76 };
   77 
   78 static const struct mii_phydesc truephys[] = {
   79         MII_PHY_DESC(AGERE,     ET1011),
   80         MII_PHY_DESC(AGERE,     ET1011C),
   81         MII_PHY_END
   82 };
   83 
   84 static devclass_t truephy_devclass;
   85 
   86 static driver_t truephy_driver = {
   87         "truephy",
   88         truephy_methods,
   89         sizeof(struct mii_softc)
   90 };
   91 
   92 DRIVER_MODULE(truephy, miibus, truephy_driver, truephy_devclass, 0, 0);
   93 
   94 static const struct truephy_dsp {
   95         uint16_t        index;
   96         uint16_t        data;
   97 } truephy_dspcode[] = {
   98         { 0x880b,       0x0926 },       /* AfeIfCreg4B1000Msbs */
   99         { 0x880c,       0x0926 },       /* AfeIfCreg4B100Msbs */
  100         { 0x880d,       0x0926 },       /* AfeIfCreg4B10Msbs */
  101 
  102         { 0x880e,       0xb4d3 },       /* AfeIfCreg4B1000Lsbs */
  103         { 0x880f,       0xb4d3 },       /* AfeIfCreg4B100Lsbs */
  104         { 0x8810,       0xb4d3 },       /* AfeIfCreg4B10Lsbs */
  105 
  106         { 0x8805,       0xb03e },       /* AfeIfCreg3B1000Msbs */
  107         { 0x8806,       0xb03e },       /* AfeIfCreg3B100Msbs */
  108         { 0x8807,       0xff00 },       /* AfeIfCreg3B10Msbs */
  109 
  110         { 0x8808,       0xe090 },       /* AfeIfCreg3B1000Lsbs */
  111         { 0x8809,       0xe110 },       /* AfeIfCreg3B100Lsbs */
  112         { 0x880a,       0x0000 },       /* AfeIfCreg3B10Lsbs */
  113 
  114         { 0x300d,       1      },       /* DisableNorm */
  115 
  116         { 0x280c,       0x0180 },       /* LinkHoldEnd */
  117 
  118         { 0x1c21,       0x0002 },       /* AlphaM */
  119 
  120         { 0x3821,       6      },       /* FfeLkgTx0 */
  121         { 0x381d,       1      },       /* FfeLkg1g4 */
  122         { 0x381e,       1      },       /* FfeLkg1g5 */
  123         { 0x381f,       1      },       /* FfeLkg1g6 */
  124         { 0x3820,       1      },       /* FfeLkg1g7 */
  125 
  126         { 0x8402,       0x01f0 },       /* Btinact */
  127         { 0x800e,       20     },       /* LftrainTime */
  128         { 0x800f,       24     },       /* DvguardTime */
  129         { 0x8010,       46     }        /* IdlguardTime */
  130 };
  131 
  132 static int
  133 truephy_probe(device_t dev)
  134 {
  135 
  136         return (mii_phy_dev_probe(dev, truephys, BUS_PROBE_DEFAULT));
  137 }
  138 
  139 static int
  140 truephy_attach(device_t dev)
  141 {
  142         struct mii_softc *sc;
  143         struct mii_attach_args *ma;
  144         struct mii_data *mii;
  145 
  146         sc = device_get_softc(dev);
  147         ma = device_get_ivars(dev);
  148 
  149         sc->mii_phy = ma->mii_phyno;
  150         sc->mii_dev = device_get_parent(dev);
  151         mii = ma->mii_data;
  152         LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
  153 
  154         sc->mii_flags = miibus_get_flags(dev);
  155         sc->mii_inst = mii->mii_instance++;
  156         sc->mii_phy = ma->mii_phyno;
  157         sc->mii_service = truephy_service;
  158         sc->mii_pdata = mii;
  159 
  160         sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP;
  161 
  162         if (MII_MODEL(ma->mii_id2) == MII_MODEL_AGERE_ET1011)
  163                 mii_phy_reset(sc);
  164         else
  165                 truephy_reset(sc);
  166 
  167         sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
  168         if (sc->mii_capabilities & BMSR_EXTSTAT) {
  169                 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
  170                 /* No 1000baseT half-duplex support */
  171                 sc->mii_extcapabilities &= ~EXTSR_1000THDX;
  172         }
  173 
  174         device_printf(dev, " ");
  175         mii_phy_add_media(sc);
  176         printf("\n");
  177 
  178         MIIBUS_MEDIAINIT(sc->mii_dev);
  179         return (0);
  180 }
  181 
  182 static int
  183 truephy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
  184 {
  185         struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
  186         int bmcr;
  187 
  188         switch (cmd) {
  189         case MII_POLLSTAT:
  190                 break;
  191 
  192         case MII_MEDIACHG:
  193                 /*
  194                  * If the interface is not up, don't do anything.
  195                  */
  196                 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
  197                         break;
  198 
  199                 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
  200                         bmcr = PHY_READ(sc, MII_BMCR) & ~BMCR_AUTOEN;
  201                         PHY_WRITE(sc, MII_BMCR, bmcr);
  202                         PHY_WRITE(sc, MII_BMCR, bmcr | BMCR_PDOWN);
  203                 }
  204 
  205                 mii_phy_setmedia(sc);
  206 
  207                 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
  208                         bmcr = PHY_READ(sc, MII_BMCR) & ~BMCR_PDOWN;
  209                         PHY_WRITE(sc, MII_BMCR, bmcr);
  210 
  211                         if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T) {
  212                                 PHY_WRITE(sc, MII_BMCR,
  213                                           bmcr | BMCR_AUTOEN | BMCR_STARTNEG);
  214                         }
  215                 }
  216                 break;
  217 
  218         case MII_TICK:
  219                 if (mii_phy_tick(sc) == EJUSTRETURN)
  220                         return (0);
  221                 break;
  222         }
  223 
  224         /* Update the media status. */
  225         truephy_status(sc);
  226 
  227         /* Callback if something changed. */
  228         mii_phy_update(sc, cmd);
  229         return (0);
  230 }
  231 
  232 static void
  233 truephy_reset(struct mii_softc *sc)
  234 {
  235         int i;
  236 
  237         for (i = 0; i < 2; ++i) {
  238                 PHY_READ(sc, MII_PHYIDR1);
  239                 PHY_READ(sc, MII_PHYIDR2);
  240 
  241                 PHY_READ(sc, TRUEPHY_CTRL);
  242                 PHY_WRITE(sc, TRUEPHY_CTRL,
  243                           TRUEPHY_CTRL_DIAG | TRUEPHY_CTRL_RSV1);
  244 
  245                 PHY_WRITE(sc, TRUEPHY_INDEX, TRUEPHY_INDEX_MAGIC);
  246                 PHY_READ(sc, TRUEPHY_DATA);
  247 
  248                 PHY_WRITE(sc, TRUEPHY_CTRL, TRUEPHY_CTRL_RSV1);
  249         }
  250 
  251         PHY_READ(sc, MII_BMCR);
  252         PHY_READ(sc, TRUEPHY_CTRL);
  253         PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_PDOWN | BMCR_S1000);
  254         PHY_WRITE(sc, TRUEPHY_CTRL,
  255                   TRUEPHY_CTRL_DIAG | TRUEPHY_CTRL_RSV1 | TRUEPHY_CTRL_RSV0);
  256 
  257 #define N(arr)  (int)(sizeof(arr) / sizeof(arr[0]))
  258 
  259         for (i = 0; i < N(truephy_dspcode); ++i) {
  260                 const struct truephy_dsp *dsp = &truephy_dspcode[i];
  261 
  262                 PHY_WRITE(sc, TRUEPHY_INDEX, dsp->index);
  263                 PHY_WRITE(sc, TRUEPHY_DATA, dsp->data);
  264 
  265                 PHY_WRITE(sc, TRUEPHY_INDEX, dsp->index);
  266                 PHY_READ(sc, TRUEPHY_DATA);
  267         }
  268 
  269 #undef N
  270 
  271         PHY_READ(sc, MII_BMCR);
  272         PHY_READ(sc, TRUEPHY_CTRL);
  273         PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN |  BMCR_S1000);
  274         PHY_WRITE(sc, TRUEPHY_CTRL, TRUEPHY_CTRL_RSV1);
  275 
  276         mii_phy_reset(sc);
  277 
  278         if (TRUEPHY_FRAMELEN(sc->mii_pdata->mii_ifp->if_mtu) > 2048) {
  279                 int conf;
  280 
  281                 conf = PHY_READ(sc, TRUEPHY_CONF);
  282                 conf &= ~TRUEPHY_CONF_TXFIFO_MASK;
  283                 conf |= TRUEPHY_CONF_TXFIFO_24;
  284                 PHY_WRITE(sc, TRUEPHY_CONF, conf);
  285         }
  286 }
  287 
  288 static void
  289 truephy_status(struct mii_softc *sc)
  290 {
  291         struct mii_data *mii = sc->mii_pdata;
  292         int bmsr, bmcr, sr;
  293 
  294         mii->mii_media_status = IFM_AVALID;
  295         mii->mii_media_active = IFM_ETHER;
  296 
  297         sr = PHY_READ(sc, TRUEPHY_SR);
  298         bmcr = PHY_READ(sc, MII_BMCR);
  299 
  300         bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
  301         if (bmsr & BMSR_LINK)
  302                 mii->mii_media_status |= IFM_ACTIVE;
  303 
  304         if (bmcr & BMCR_AUTOEN) {
  305                 if ((bmsr & BMSR_ACOMP) == 0) {
  306                         mii->mii_media_active |= IFM_NONE;
  307                         return;
  308                 }
  309         }
  310 
  311         switch (sr & TRUEPHY_SR_SPD_MASK) {
  312         case TRUEPHY_SR_SPD_1000T:
  313                 mii->mii_media_active |= IFM_1000_T;
  314                 break;
  315         case TRUEPHY_SR_SPD_100TX:
  316                 mii->mii_media_active |= IFM_100_TX;
  317                 break;
  318         case TRUEPHY_SR_SPD_10T:
  319                 mii->mii_media_active |= IFM_10_T;
  320                 break;
  321         default:
  322                 /* XXX will this ever happen? */
  323                 printf("invalid media SR %#x\n", sr);
  324                 mii->mii_media_active |= IFM_NONE;
  325                 return;
  326         }
  327 
  328         if (sr & TRUEPHY_SR_FDX)
  329                 mii->mii_media_active |= IFM_FDX;
  330         else
  331                 mii->mii_media_active |= IFM_HDX;
  332 }
Cache object: 49e29887225af39adf58e7a30b4443a3
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.
FreeBSD/Linux Kernel Cross Reference sys/dev/mii/truephy.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/mii/truephy.c
